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參數(shù)資料
| 型號(hào)： | LOK4801-2RLD |
| 英文描述： | DIN-Rail Mountable AC-DC (DC-DC) Converters |
| 中文描述： | 導(dǎo)軌可安裝交直流（型DC - DC）轉(zhuǎn)換器 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 155K |
| 代理商： | LOK4801-2RLD |
SEP 09, 2005 revised to JUL 17, 2006
Page 10 of 12
www.power-one.com
LOS, LOR, LOK4000 Series Data Sheet
DIN-Rail Mountable AC-DC (DC-DC) Converters
Under test conditions the leakage current flows through a
measuring instrument (MI) as described in fig.
Measuring
instrument for earth leakage current tests
, which takes into
account impedance and sensitivity of a person touching
accessible parts. The current value is calculated by dividing
the measured voltage by 500 W. If inputs and/or outputs of
LOS, LOR, or LOK models are connected in parallel, their
individual leakage currents are added.
Leakage Currents in AC-DC Operation
Leakage currents flow due to internal leakage capacitance and
RFI suppression Y-capacitors. The current values are
proportional to the mains voltage and nearly proportional to the
mains frequency and are specified at an input voltage of 264 V
(50 Hz) where phase, neutral and protective earth are correctly
connected as required for class I equipment.
Fig. 11
Measuring instrument (MI) for earth leakage current tests
according to IEC/EN 60950.
Table 11: Leakage currents
Characteristic
LOK
Unit
Maximum earth
leakage current
Permissible according to IEC/EN 60950
3.5
mA
Specified value at 264 V, 50 Hz
1.0
Maximum output
leakage current
Permissible according to IEC/EN 60950
0.25
Specified value at 264 V, 50 Hz
0.035
V
MI
500
1500
10 k
220 nF
22 nF
1
MI for
output
leakage
current
Vo+
Vo-
10053
MI for
earth
leakage
current
L
L
N
N
Fig. 12
Test setup.
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